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2025-07-13 - 11:58
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Data to construct the above plot have been generated using the RT test utility cyclictest.

Total number of samples: 100 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes, lowest P state: performance
Compare latency of primary with shadow system
Characteristics of all highest latencies:
System rackbslot2.osadl.org (updated Sat Jul 12, 2025 12:44:36)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
15834849911951190,3cyclictest1601405-21ntp_states07:30:013
15829562243213,19sleep30-21swapper/307:05:583
15832172235207,18sleep00-21swapper/007:09:200
15832282228198,20sleep10-21swapper/107:09:301
15829952221191,20sleep20-21swapper/207:06:302
163024321530,1sleep11630241-21ntpq08:00:221
158348299705,64cyclictest1790331-21kworker/u8:0+efi_rts_wq11:21:022
158347399598,50cyclictest1790331-21kworker/u8:0+efi_rts_wq11:21:020
17324832520,1sleep30-21swapper/310:00:143
1583484995247,3cyclictest1665632-21/usr/share/muni08:45:143
1583477995036,12cyclictest1777694-21latency_hist10:55:011
1583482994743,3cyclictest1811368-21kworker/u8:2+flush-179:011:35:022
1583484994643,2cyclictest1528568-1kworker/3:2H+kblockd12:25:073
1583482994642,3cyclictest1833454-21kworker/u8:1+events_unbound12:00:012
1583482994631,14cyclictest1596471-21kworker/u8:4+flush-179:007:30:102
1583484994540,3cyclictest1820733-21chrome11:45:013
1583477994541,2cyclictest1820457-21munin-update11:45:011
1583484994429,13cyclictest1609812-21/usr/share/muni07:40:083
1583482994440,3cyclictest1782013-21kworker/u8:1+flush-179:011:05:052
1583477994335,7cyclictest1781576-31munin-graph10:55:381
158347799430,42cyclictest1769644-21ntpq10:45:051
1583482994237,3cyclictest1759998-21kworker/u8:4+flush-179:010:45:062
1583484994128,9cyclictest1318-21snmpd10:25:213
1583482994138,2cyclictest1700824-21kworker/2:0+pm09:45:292
1583484994035,3cyclictest1794741-21latency_hist11:15:013
1583482994037,2cyclictest1700824-21kworker/2:0+pm10:10:472
1583482994037,2cyclictest1657250-21kworker/2:1+pm08:40:522
1583482994037,2cyclictest1568439-21kworker/2:2+pm07:10:102
1583482994036,3cyclictest1640943-21apt-get08:15:062
1583482994033,5cyclictest1670039-21/usr/share/muni08:50:022
1583477994036,3cyclictest1747208-21latency_hist10:20:011
1583484993936,2cyclictest1528568-1kworker/3:2H+kblockd09:15:143
1583482993937,1cyclictest1779529-21kworker/2:2+pm11:30:102
1583482993937,1cyclictest1779529-21kworker/2:2+pm11:00:462
1583482993937,1cyclictest1700824-21kworker/2:0+pm10:31:112
1583482993937,1cyclictest1700824-21kworker/2:0+pm10:20:462
1583482993937,1cyclictest1700824-21kworker/2:0+pm09:56:002
1583482993937,1cyclictest1609609-21kworker/2:2+pm07:55:382
1583482993937,1cyclictest1609609-21kworker/2:2+pm07:40:442
1583482993936,2cyclictest1779529-21kworker/2:2+pm11:50:542
1583482993936,2cyclictest1700824-21kworker/2:0+pm10:55:212
1583482993936,2cyclictest1700824-21kworker/2:0+pm10:35:442
1583482993936,2cyclictest1700824-21kworker/2:0+pm10:26:042
1583482993936,2cyclictest1700824-21kworker/2:0+pm10:00:142
1583482993936,2cyclictest1657250-21kworker/2:1+pm09:10:042
1583482993936,2cyclictest1609609-21kworker/2:2+pm08:00:032
1583482993936,1cyclictest1839118-21kworker/2:0+pm12:10:102
1583482993935,3cyclictest1644494-21ntpq08:20:032
1583482993935,3cyclictest1592512-21kworker/2:3+pm07:20:032
1583477993935,3cyclictest1759998-21kworker/u8:4+flush-179:011:45:001
1583473993934,4cyclictest1622804-21/usr/share/muni07:55:120
1583482993837,1cyclictest1839118-21kworker/2:0+pm12:21:182
1583482993836,1cyclictest1839118-21kworker/2:0+pm12:30:162
1583482993836,1cyclictest1700824-21kworker/2:0+pm09:50:172
1583482993836,1cyclictest1700824-21kworker/2:0+pm09:30:432
1583482993836,1cyclictest1657250-21kworker/2:1+pm09:25:512
1583482993836,1cyclictest1600732-21kworker/2:0+pm07:36:322
1583482993835,2cyclictest1779529-21kworker/2:2+pm11:55:042
1583482993835,2cyclictest1779529-21kworker/2:2+pm11:10:012
1583482993835,2cyclictest1716813-21kworker/u8:2+events_unbound10:40:252
1583482993835,2cyclictest1700824-21kworker/2:0+pm10:19:122
1583482993835,2cyclictest1700824-21kworker/2:0+pm09:40:132
1583482993835,2cyclictest1609609-21kworker/2:2+pm08:31:192
1583482993835,2cyclictest1609609-21kworker/2:2+pm08:31:192
1583482993834,3cyclictest1704044-21kworker/u8:0+events_unbound09:35:132
1583482993833,4cyclictest1667851-21cat08:45:162
1583482993833,3cyclictest1609609-21kworker/2:2+pm07:50:032
1583477993834,3cyclictest1722878-21apt-get09:50:071
1583477993834,2cyclictest1515774-1kworker/1:1H+kblockd08:20:011
1583484993735,1cyclictest1764364-21kworker/3:1+pm11:19:053
1583484993735,1cyclictest1688533-21kworker/3:2+pm10:07:263
1583484993735,1cyclictest1548418-21kworker/3:1+pm07:13:053
1583484993734,2cyclictest1528568-1kworker/3:2H+kblockd12:35:063
1583484993734,2cyclictest1528568-1kworker/3:2H+kblockd11:52:033
1583484993734,2cyclictest1528568-1kworker/3:2H+kblockd10:20:123
1583484993734,2cyclictest1528568-1kworker/3:2H+kblockd10:10:553
1583484993734,2cyclictest1528568-1kworker/3:2H+kblockd09:34:523
1583484993732,4cyclictest1777951-21/usr/share/muni10:55:113
1583484993731,5cyclictest1528568-1kworker/3:2H+kblockd11:34:553
1583482993735,1cyclictest1779529-21kworker/2:2+pm11:49:472
1583482993735,1cyclictest1779529-21kworker/2:2+pm11:44:162
1583482993735,1cyclictest1779529-21kworker/2:2+pm11:17:062
1583482993735,1cyclictest1700824-21kworker/2:0+pm10:52:422
1583482993735,1cyclictest1657250-21kworker/2:1+pm08:55:012
1583482993735,1cyclictest1609609-21kworker/2:2+pm08:26:212
1583482993735,1cyclictest1592512-21kworker/2:3+pm07:25:512
1583482993735,1cyclictest1190216-1kworker/2:2H+kblockd08:05:562
1583477993734,2cyclictest1515774-1kworker/1:1H+kblockd11:30:091
1583477993734,2cyclictest1515774-1kworker/1:1H+kblockd11:00:061
1583477993731,5cyclictest1652509-21kworker/1:1+pm08:49:491
1583473993735,1cyclictest1535768-21kworker/0:0+pm08:15:220
1583484993634,1cyclictest1764364-21kworker/3:1+pm10:41:083
1583484993634,1cyclictest1622545-21kworker/3:1+pm08:26:433
1583484993634,1cyclictest1600626-21kworker/3:2+pm07:50:253
1583484993634,1cyclictest1528568-1kworker/3:2H+kblockd11:55:073
1583484993634,1cyclictest1528568-1kworker/3:2H+kblockd07:15:263
1583484993633,2cyclictest1528568-1kworker/3:2H+kblockd10:45:163
1583484993633,2cyclictest1528568-1kworker/3:2H+kblockd09:45:123
1583484993633,2cyclictest1528568-1kworker/3:2H+kblockd09:21:003
1583484993633,1cyclictest1528568-1kworker/3:2H+kblockd11:05:163
1583482993634,1cyclictest1779529-21kworker/2:2+pm11:25:062
1583482993634,1cyclictest1700824-21kworker/2:0+pm10:07:062
1583482993634,1cyclictest1657250-21kworker/2:1+pm09:21:352
1583482993633,2cyclictest1190216-1kworker/2:2H+kblockd09:15:042
1583477993634,1cyclictest1786303-21kworker/1:1+pm11:06:051
1583477993634,1cyclictest1683035-21kworker/1:0+pm10:11:571
1583477993634,1cyclictest1683035-21kworker/1:0+pm10:07:531
1583477993634,1cyclictest1515774-1kworker/1:1H+kblockd11:39:551
1583477993634,1cyclictest1515774-1kworker/1:1H+kblockd08:27:201
1583477993633,2cyclictest1515774-1kworker/1:1H+kblockd08:39:591
1583477993633,2cyclictest1515774-1kworker/1:1H+kblockd08:10:471
1583477993633,2cyclictest1515774-1kworker/1:1H+kblockd07:26:011
1583477993633,1cyclictest1515774-1kworker/1:1H+kblockd07:20:581
1583473993634,1cyclictest1185939-1kworker/0:2H+kblockd07:11:530
1583473993633,2cyclictest1185939-1kworker/0:2H+kblockd12:26:040
1583473993633,1cyclictest1185939-1kworker/0:2H+kblockd09:35:420
1583473993632,2cyclictest1185939-1kworker/0:2H+kblockd09:20:040
1583473993629,5cyclictest1791016-21ntpq11:10:040
1583473993627,5cyclictest1318-21snmpd07:40:560
1583484993533,1cyclictest1764364-21kworker/3:1+pm12:32:353
1583484993533,1cyclictest1548418-21kworker/3:1+pm07:23:173
1583484993533,1cyclictest1528568-1kworker/3:2H+kblockd12:10:053
1583484993533,1cyclictest1528568-1kworker/3:2H+kblockd11:37:563
1583484993533,1cyclictest1528568-1kworker/3:2H+kblockd08:20:213
1583484993532,2cyclictest1528568-1kworker/3:2H+kblockd11:25:263
1583484993532,2cyclictest1528568-1kworker/3:2H+kblockd08:00:513
1583484993530,3cyclictest1713092-21/usr/share/muni09:40:143
1583484993526,8cyclictest1318-21snmpd08:10:033
1583482993533,1cyclictest1839118-21kworker/2:0+pm12:27:352
1583482993533,1cyclictest1657250-21kworker/2:1+pm08:36:352
1583482993532,2cyclictest1568439-21kworker/2:2+pm07:18:492
1583477993533,1cyclictest1683035-21kworker/1:0+pm09:34:121
1583477993533,1cyclictest1515774-1kworker/1:1H+kblockd11:57:091
1583477993533,1cyclictest1515774-1kworker/1:1H+kblockd10:31:001
1583477993533,1cyclictest1515774-1kworker/1:1H+kblockd09:55:101
1583477993533,1cyclictest1515774-1kworker/1:1H+kblockd07:45:511
1583477993533,1cyclictest1515774-1kworker/1:1H+kblockd07:31:421
1583477993532,2cyclictest1515774-1kworker/1:1H+kblockd12:15:151
1583477993532,2cyclictest1515774-1kworker/1:1H+kblockd12:10:081
1583477993532,2cyclictest1515774-1kworker/1:1H+kblockd08:55:581
1583477993530,4cyclictest1834092-21/usr/share/muni12:00:051
1583477993530,4cyclictest1786303-21kworker/1:1+pm11:19:001
1583477993527,7cyclictest1701328-21awk09:25:071
1583473993533,1cyclictest1185939-1kworker/0:2H+kblockd12:00:510
1583473993533,1cyclictest1185939-1kworker/0:2H+kblockd10:11:270
1583473993532,2cyclictest1185939-1kworker/0:2H+kblockd10:35:310
1583473993529,5cyclictest1318-21snmpd11:59:250
1583473993529,4cyclictest1811909-21latency_hist11:35:010
1583484993432,2cyclictest1528568-1kworker/3:2H+kblockd10:37:023
1583484993432,1cyclictest1528568-1kworker/3:2H+kblockd07:56:043
1583484993431,2cyclictest1820724-21CacheThread_Blo11:45:013
1583484993431,2cyclictest1598075-21apt-get07:25:063
1583484993431,2cyclictest1528568-1kworker/3:2H+kblockd08:15:273
1583484993430,4cyclictest1318-21snmpd07:36:043
1583484993429,4cyclictest1683250-21/usr/share/muni09:05:033
1583482993433,1cyclictest1190216-1kworker/2:2H+kblockd09:06:412
1583482993432,1cyclictest1839118-21kworker/2:0+pm12:35:242
1583482993429,3cyclictest1839118-21kworker/2:0+pm12:15:042
1583477993432,1cyclictest1515774-1kworker/1:1H+kblockd11:24:541
1583477993432,1cyclictest1515774-1kworker/1:1H+kblockd09:05:301
1583477993430,3cyclictest1671031-21apt-get08:50:071
1583473993431,2cyclictest1185939-1kworker/0:2H+kblockd10:31:500
1583473993430,3cyclictest1681039-21apt-get09:00:140
1583473993430,3cyclictest1185939-1kworker/0:2H+kblockd12:05:200
1583484993331,1cyclictest1688533-21kworker/3:2+pm09:53:233
1583484993331,1cyclictest1528568-1kworker/3:2H+kblockd10:16:023
1583484993331,1cyclictest1528568-1kworker/3:2H+kblockd09:01:263
1583484993331,1cyclictest1528568-1kworker/3:2H+kblockd08:44:173
1583484993330,2cyclictest1616655-21awk07:45:153
1583484993330,2cyclictest1528568-1kworker/3:2H+kblockd08:50:043
1583484993326,6cyclictest1318-21snmpd09:37:353
1583484993324,7cyclictest1785033-21awk11:00:213
1583482993330,2cyclictest1609609-21kworker/2:2+pm08:10:222
1583482993330,2cyclictest1609609-21kworker/2:2+pm07:45:052
1583477993332,1cyclictest1683035-21kworker/1:0+pm10:21:511
1583477993331,1cyclictest1515774-1kworker/1:1H+kblockd10:35:521
1583477993330,2cyclictest1786303-21kworker/1:1+pm11:50:261
1583477993327,5cyclictest1318-21snmpd12:30:011
1583477993319,4cyclictest1710946-21cat09:35:151
1583473993331,1cyclictest1185939-1kworker/0:2H+kblockd12:31:090
1583473993330,2cyclictest1672786-21awk08:50:180
1583473993330,2cyclictest1318-21snmpd09:30:130
1583473993330,2cyclictest1185939-1kworker/0:2H+kblockd10:40:290
1583473993330,2cyclictest1185939-1kworker/0:2H+kblockd10:21:440
1583473993329,3cyclictest66610-21ntpd08:37:240
1583473993329,3cyclictest1662316-21apt-get08:40:070
1583473993326,5cyclictest1605578-21/usr/share/muni07:35:020
1583473993321,8cyclictest1318-21snmpd09:07:460
1583484993231,1cyclictest1622545-21kworker/3:1+pm08:39:493
1583484993230,1cyclictest1688533-21kworker/3:2+pm09:57:253
1583484993229,2cyclictest1528568-1kworker/3:2H+kblockd10:50:033
1583484993223,8cyclictest1318-21snmpd11:20:123
1583482993225,5cyclictest1678914-21/usr/share/muni09:00:022
1583482993211,20cyclictest1842011-31munin-graph12:06:052
1583477993230,1cyclictest1846654-21kworker/1:3+pm12:37:041
1583477993230,1cyclictest1786303-21kworker/1:1+pm11:28:591
1583477993230,1cyclictest1515774-1kworker/1:1H+kblockd10:00:461
1583477993230,1cyclictest1515774-1kworker/1:1H+kblockd07:39:351
1583477993230,1cyclictest1318-21snmpd12:06:401
1583477993230,1cyclictest1318-21snmpd09:44:181
1583477993230,1cyclictest1318-21snmpd08:09:091
1583477993230,1cyclictest0-21swapper/109:18:481
1583477993230,1cyclictest0-21swapper/108:34:331
1583477993230,1cyclictest0-21swapper/108:34:331
1583477993229,2cyclictest1318-21snmpd10:40:101
1583477993228,3cyclictest1643933-21latency_hist08:20:001
1583473993231,1cyclictest1691244-21kworker/0:2+pm10:16:410
1583473993230,1cyclictest64742-21isc-net-000009:42:090
1583473993230,1cyclictest1318-21snmpd11:51:070
1583473993230,1cyclictest1318-21snmpd07:31:530
1583473993230,1cyclictest1185939-1kworker/0:2H+kblockd11:01:420
1583473993230,1cyclictest1185939-1kworker/0:2H+kblockd10:45:050
1583473993229,2cyclictest1318-21snmpd08:00:390
1583484993130,1cyclictest1688533-21kworker/3:2+pm09:14:523
1583484993129,1cyclictest1853439-21awk12:20:153
1583484993129,1cyclictest1528568-1kworker/3:2H+kblockd08:30:103
1583484993129,1cyclictest1528568-1kworker/3:2H+kblockd08:30:103
1583484993128,2cyclictest1528568-1kworker/3:2H+kblockd12:05:553
1583477993130,1cyclictest1515774-1kworker/1:1H+kblockd08:40:291
1583477993129,1cyclictest1318-21snmpd07:11:241
1583477993127,2cyclictest1515774-1kworker/1:1H+kblockd11:10:041
1583477993127,2cyclictest1515774-1kworker/1:1H+kblockd10:25:161
1583473993130,1cyclictest1318-21snmpd11:45:060
1583473993130,0cyclictest1318-21snmpd10:02:260
1583473993130,0cyclictest1318-21snmpd08:49:000
1583473993129,1cyclictest1318-21snmpd11:28:000
1583473993129,1cyclictest1318-21snmpd10:05:350
1583473993129,1cyclictest1318-21snmpd08:33:580
1583473993129,1cyclictest1318-21snmpd08:33:580
1583473993129,1cyclictest1318-21snmpd08:05:270
1583473993129,1cyclictest1318-21snmpd07:25:520
1583473993129,1cyclictest1318-21snmpd07:23:040
1583473993129,1cyclictest1318-21snmpd07:18:270
1583473993128,1cyclictest1185939-1kworker/0:2H+kblockd12:20:100
1583473993128,1cyclictest1185939-1kworker/0:2H+kblockd08:55:360
1583473993122,5cyclictest1318-21snmpd08:11:000
1583473993119,7cyclictest1718643-21ntpq09:45:090
1583484993029,1cyclictest1764364-21kworker/3:1+pm12:18:053
1583484993029,1cyclictest1622545-21kworker/3:1+pm08:57:063
1583477993029,1cyclictest1683035-21kworker/1:0+pm09:22:571
1583477993028,1cyclictest1318-21snmpd12:25:281
1583477993028,1cyclictest1318-21snmpd07:50:141
1583477993027,2cyclictest1515774-1kworker/1:1H+kblockd09:10:541
1583477993027,2cyclictest1318-21snmpd09:46:531
1583473993029,0cyclictest1796510-21awk11:15:120
1583473993029,0cyclictest1318-21snmpd10:52:440
1583473993029,0cyclictest1318-21snmpd07:54:240
1583473993028,1cyclictest1318-21snmpd12:18:040
1583473993028,1cyclictest1318-21snmpd09:51:450
1583473993028,1cyclictest1318-21snmpd09:28:530
1583473993028,1cyclictest1318-21snmpd09:10:200
1583473993028,1cyclictest1318-21snmpd08:25:090
1583473993027,2cyclictest1318-21snmpd11:05:020
1583473993027,2cyclictest1185939-1kworker/0:2H+kblockd10:55:160
1583473993021,0cyclictest64742-21isc-net-000008:22:090
1583484992927,1cyclictest1633653-21awk08:05:153
1583477992927,1cyclictest1515774-1kworker/1:1H+kblockd07:15:111
1583477992927,1cyclictest1318-21snmpd09:00:431
1583477992920,8cyclictest1612095-21awk07:40:151
1583473992927,1cyclictest1318-21snmpd07:46:500
1583484992826,1cyclictest1836389-21awk12:00:153
1583473992826,1cyclictest1185939-1kworker/0:2H+kblockd10:25:120
1583473992821,6cyclictest1318-21snmpd11:41:330
1583473992815,10cyclictest1814352-21awk11:35:150
1583477992719,2cyclictest1318-21snmpd12:22:581
1583484992615,2cyclictest1759615-31munin-html10:30:283
1583477992625,1cyclictest1515774-1kworker/1:1H+kblockd07:59:321
1583473992621,4cyclictest1693836-21cat09:15:150
1583473992523,1cyclictest1318-21snmpd09:59:530
1583473992523,1cyclictest1185939-1kworker/0:2H+kblockd12:15:010
1583484992421,2cyclictest1318-21snmpd09:27:373
1583473992323,0cyclictest1318-21snmpd12:35:470
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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